Home / 123,921.95-185,778.43-53,748.41

Finding the Fourth Proportional to 123,921.95, 185,778.43 and 53,748.41

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Solution

The fourth proportional to 123,921.95, 185,778.43 and 53,748.41 is: 80,577.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,921.95 : 185,778.43 = 53,748.41 : x
  2. Step 2: Convert to fraction form
    123,921.95/185,778.43 = 53,748.41/x
  3. Step 3: Cross multiply
    123,921.95x = 185,778.43 × 53,748.41
  4. Step 4: Simplify right side
    123,921.95x = 9,985,295,224.80
  5. Step 5: Solve for x
    x = 9,985,295,224.80/123,921.95
  6. Step 6: Final answer
    x = 80,577.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.